Let the skilled workers =a and semi-skilled workers=b 18a ×12 =24b ×15 3a =5b 3 skilled workers =5 semi-skilled workers. Therefore, we can say that in place of 3 skilled workers, 5 semi workers can come.
Raj invested equal amounts in two schemes x and y at compound interest. In scheme x, the rate of interest was 8% per annum and in scheme y the rate of i...
Charan went to purchase an Apple i phone, the shopkeeper told him to pay 30% GST, if he asked the bill. Charan manages to get the discount of 10% on the...
A person 'P' invested Rs. 800 for 2 years at an interest rate of 'a'% per annum, Rs. 450 for 4 years at an interest rate of (a - ...
Veeru invested Rs. 3100 at 20% p.a. simple interest for 3 years. After 3 years, he invested the amount received by him at the 20% p.a. compound interest...
'M' invested ₹19,200 at an annual compound interest rate of 10%, compounded yearly. After 'a' years, the total amount he received was ₹23,232. If 'Q...
In what time will Rs. 45000, at 4% per annum, produce the same interest at Rs.18000 does in 5 years at 8% simple interest?
A sum of Rs 8400 amounts to Rs 11,046 at 8.75% p.a. simple interest in a certain time. What is the simple interest on the sum of 9600 at the same rate f...
A man invests Rs X in a scheme at 12% rate of interest for 8 years. After 8 years he reinvests the amount received at same rate of interest for same tim...
A and B started a business with initial investments of Rs. 25000 and Rs. 30000 respectively. After one year, a profit of Rs. 11000 is earned. A being a ...
Rs. 25,000 invested at simple interest of 6% p.a. yields the same interest after 2 years as Rs. 40,000 when invested at simple interest of 'y%' p.a. yie...
